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首页> 外文学位 >Amorphous silicon thin film transistor active-matrix organic light-emitting diode displays fabricated on flexible substrates.
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Amorphous silicon thin film transistor active-matrix organic light-emitting diode displays fabricated on flexible substrates.

机译：在柔性基板上制造的非晶硅薄膜晶体管有源矩阵有机发光二极管显示器。

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摘要

Organic light-emitting diode (OLED) displays are of immense interest because they have several advantages over liquid crystal displays, the current dominant flat panel display technology. OLED displays are emissive and therefore are brighter, have a larger viewing angle, and do not require backlights and filters, allowing thinner, lighter, and more power efficient displays. The goal of this work was to advance the state-of-the-art in active-matrix OLED display technology. First, hydrogenated amorphous silicon (a-Si:H) thin film transistor (TFT) active-matrix OLED pixels and arrays were designed and fabricated on glass substrates. The devices operated at low voltages and demonstrated that lower performance TFTs could be utilized in active-matrix OLED displays, possibly allowing lower cost processing and the use of polymeric substrates. Attempts at designing more control into the display at the pixel level were also made. Bistable (one bit gray scale) active-matrix OLED pixels and arrays were designed and fabricated. Such pixels could be used in novel applications and eventually help reduce the bandwidth requirements in high-resolution and large-area displays. Finally, a-Si:H TFT active-matrix OLED pixels and arrays were fabricated on a polymeric substrate. Displays fabricated on a polymeric substrates would be lightweight; flexible, more rugged, and potentially less expensive to fabricate. Many of the difficulties associated with fabricating active-matrix backplanes on flexible substrates were studied and addressed.
机译：有机发光二极管（OLED）显示器具有巨大的优势，因为它们比液晶显示器（目前占主导地位的平板显示技术）具有多个优势。 OLED显示器具有发射性，因此更亮，具有更大的视角，并且不需要背光和滤镜，从而可以实现更薄，更轻，更节能的显示器。这项工作的目的是推动有源矩阵OLED显示技术的发展。首先，在玻璃基板上设计并制造了氢化非晶硅（a-Si：H）薄膜晶体管（TFT）有源矩阵OLED像素和阵列。该器件在低电压下运行，并证明了较低性能的TFT可用于有源矩阵OLED显示器，从而有可能实现较低成本的加工和使用聚合物基板。还尝试了在像素级别对显示器进行更多控制。设计并制造了双稳态（一位灰度级）有源矩阵OLED像素和阵列。这样的像素可以用于新颖的应用中，并最终帮助降低高分辨率和大面积显示器中的带宽需求。最后，在聚合物基板上制造了a-Si：H TFT有源矩阵OLED像素和阵列。在聚合物基板上制造的显示器将是轻质的。柔性，坚固耐用且制造成本可能更低。研究和解决了与在柔性基板上制造有源矩阵底板相关的许多困难。

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  • 作者

    Nichols, Jonathan A.;

  • 作者单位

    The Pennsylvania State University.;

  • 授予单位 The Pennsylvania State University.;
  • 学科 Engineering Electronics and Electrical.; Engineering Materials Science.
  • 学位 Ph.D.
  • 年度 2004
  • 页码 91 p.
  • 总页数 91
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 无线电电子学、电信技术;工程材料学;
  • 关键词

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